Public bug reported:
[Impact]
RDMA applications might hang with qlogic cards. This happens because
of a bug in the doorbell implementation.
[Test]
1) Set IP addresses on both server and client
2) On RoCE Server run "ib_send_bw -d qedr0 -x 2 -R"
3) On RoCE client run "ib_send_bw -d qedr0 -x 2 <IP of RoCE Server> -R"
4) Notice that the command fails to run
[Fix]
30bf066cd998 RDMA/qedr: Fix doorbell bar mapping for dpi > 1
[Regression Potential]
None
** Affects: linux (Ubuntu)
Importance: Critical
Status: Incomplete
** Tags: artful cavium
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https://bugs.launchpad.net/bugs/1775242
Title:
[Bionic/Artful][Qlogic NIC] RDMA/qedr: application hang due to missing
doorbell
Status in linux package in Ubuntu:
Incomplete
Bug description:
[Impact]
RDMA applications might hang with qlogic cards. This happens because
of a bug in the doorbell implementation.
[Test]
1) Set IP addresses on both server and client
2) On RoCE Server run "ib_send_bw -d qedr0 -x 2 -R"
3) On RoCE client run "ib_send_bw -d qedr0 -x 2 <IP of RoCE Server> -R"
4) Notice that the command fails to run
[Fix]
30bf066cd998 RDMA/qedr: Fix doorbell bar mapping for dpi > 1
[Regression Potential]
None
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